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A Systems Approach to Nonlinear Finite Element Analysis of Shell Structures

dc.contributor.authorChen, Xiaoguangen_US
dc.contributor.authorAustin, Marken_US
dc.description.abstractThis report describes a systems approach to the nonlinear finite element analysis of shell structures. The research objective is to understand the structure a small language and computational environment should take so that matrix and nonlinear finite element computations can interact in a seamless manner.<P>One four-node-thick shell finite element and one eight-node-thick shell finite element is formulated and implemented in ALADDIN [1]. The finite elements are based on a three-dimensional continuum formulation, and are simplified by assuming a flat element geometry. Numerical experiments are presented for in- plane displacements of a flat plate, and out-of-plane bending of a cantilever structure. In each case, material nonlinearities are modeled with bi-linear and Ramberg-Osgood stress-strain curves. The report concludes with recommendations for further work in the areas of nonlinear finite element solution procedures and enhancements to ALADDIN's problem-solving infrastructure.en_US
dc.format.extent478947 bytes
dc.relation.ispartofseriesISR; TR 1995-104en_US
dc.subjectmulti-user systemsen_US
dc.subjectcomputer aided designen_US
dc.subjectfinite element analysisen_US
dc.subjectmatrix computationsen_US
dc.subjectIntelligent Control Systemsen_US
dc.titleA Systems Approach to Nonlinear Finite Element Analysis of Shell Structuresen_US
dc.typeTechnical Reporten_US

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